import json import urllib.request from typing import Any, Iterator from langchain_core.documents import Document from langchain_community.document_loaders.base import BaseLoader class LarkSuiteDocLoader(BaseLoader): """Load from `LarkSuite` (`FeiShu`).""" def __init__(self, domain: str, access_token: str, document_id: str): """Initialize with domain, access_token (tenant / user), and document_id. Args: domain: The domain to load the LarkSuite. access_token: The access_token to use. document_id: The document_id to load. """ self.domain = domain self.access_token = access_token self.document_id = document_id def _get_larksuite_api_json_data(self, api_url: str) -> Any: """Get LarkSuite (FeiShu) API response json data.""" headers = {"Authorization": f"Bearer {self.access_token}"} request = urllib.request.Request(api_url, headers=headers) with urllib.request.urlopen(request) as response: json_data = json.loads(response.read().decode()) return json_data def lazy_load(self) -> Iterator[Document]: """Lazy load LarkSuite (FeiShu) document.""" api_url_prefix = f"{self.domain}/open-apis/docx/v1/documents" metadata_json = self._get_larksuite_api_json_data( f"{api_url_prefix}/{self.document_id}" ) raw_content_json = self._get_larksuite_api_json_data( f"{api_url_prefix}/{self.document_id}/raw_content" ) text = raw_content_json["data"]["content"] metadata = { "document_id": self.document_id, "revision_id": metadata_json["data"]["document"]["revision_id"], "title": metadata_json["data"]["document"]["title"], } yield Document(page_content=text, metadata=metadata)